UM353-1
Function Blocks
March 2003
3-101
3.2.99 TH_ - Track & Hold
TH_
function blocks can hold an initial value that will
transfer to the block output O1 on power up and it can be
used to track the TV input when input TC is high (1).
In 1.30 firmware or greater, the HOLD value can be
changed on line, using the pulser, when the TH_.O1 block
output is directly connected to X or Y inputs in an ODC
block. The range and resolution used by the pulser making
on line changes will be determined by the X Range or Y
Range inputs.
BLOCK DIAGRAM
TV
O1
O
utput
1
TC
HOLD value
T
rack
C
ommand
T
rack
V
ariable
INIT
ial
VAL
ue
X03134S0
3.2.100 TOT_ - Totalizer (V2.3)
TOT_
function blocks accept a Boolean input and they
will retain a running total of the input transitions as the
block output as a real value for interconnection to other
blocks in the controller. The running total can be reset
when input R goes high (1). Input R is executed prior to
reading input S on each scan cycle.
Unconfigured inputs will be set to 0. When the
EDGETRIG parameter is set to 1, the total will
increment on each 0 to 1 transition on input S. When
the EDGETRIG parameter is set to 0, the total will
increment on each 1 to 0 transition.
The total will be retained during a WARM & HOT start
and will be initialized to 0.0 on a COLD start.
Input S
TOT
O1
O
utput
1
TOT
TOT_
ESN = 000
S
E S N
E
xec.
S
eq.
N
o.
(H)
................ 001 to 250
R
T
U
P
N
I
INPUT S
(H)
..........
loop tag.block tag.output
(
null
)
Input R
R
S
T
U
P
N
I
INPUT R
(H)
..........
loop tag.block tag.output
(
null
)
G
D
E
T R
G
I
E
EDGE TRIG
GER
(H)
......... 0-NO/1-YES 1
BLOCK DIAGRAM
S
O1
R
Totalizer
Total
Reset
Input Signal
T
rack
V
ariable
TRACK & HOLD
INIT
ial
VAL
ue
(S)
........................... Real (0.0)
O1
O
utput
1
TRACK & HOLD
TH_
ESN = 000
TV
E S N
E
xec.
S
eq.
N
o.
(H)
................ 001 to 250
L
T
T
U
P
N
I
INPUT TV
(H)
.......
loop tag.block tag.output
(
null
)
T
rack
C
ommand
TC
T
T
U
P
N
I
INPUT TC
(H)
.......
loop tag.block tag.output
(
null
)
A
V
T
I
N
I
V
C
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Summary of Contents for Moore 353
Page 2: ...S t o c k C h e c k c o m ...
Page 14: ...Contents UM353 1 xii March 2003 S t o c k C h e c k c o m ...
Page 24: ...Introduction UM353 1 March 2003 1 10 S t o c k C h e c k c o m ...
Page 152: ...LonWorks Communications UM353 1 March 2003 5 4 S t o c k C h e c k c o m ...
Page 164: ...Network Communications UM353 1 6 12 March 2003 S t o c k C h e c k c o m ...
Page 246: ...Operation UM353 1 March 2003 9 8 S t o c k C h e c k c o m ...
Page 254: ...Controller and System Test UM353 1 March 2003 10 8 S t o c k C h e c k c o m ...
Page 282: ...Circuit Description UM353 1 March 2003 13 4 S t o c k C h e c k c o m ...
Page 298: ...Model Designation and Specifications UM353 1 March 2003 14 16 S t o c k C h e c k c o m ...
Page 302: ...Abbreviations And Acronyms UM353 1 15 2 March 2003 S t o c k C h e c k c o m ...
Page 304: ...Warranty UM353 1 W 2 March 2003 S t o c k C h e c k c o m ...